Katy Perry recently shared a series of clips and photos on Instagram stories, showing off Lady Gaga’s Mexico City concert. Perry penned a special message in one story, praising Lady Gaga for her show.

The Little Monster-KatyCat stan wars can stop: these pop divas are friends! On Sunday night, Katy Perry was spotted in the crowd at Lady Gaga’s concert in Mexico City, a day after Perry’s performance ...

Perry had performed in the city on April 23, 25 and 26, kicking off her Lifetimes Tour at the CDMX Arena Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer ...

Pop star Katy Perry, as she performed in Melbourne, Australia, earlier this year. (Cameron Spencer/AFL Photos/Getty Images) Musicians and other celebrities will appear at Vice President Kamala ...

Those who signed support background checks. — -- More than 150 entertainers and executives, including Katy Perry, Lady Gaga and Billy Joel, have signed a special “Open Letter to Congress” urging ...

As far as pop stars go, Lady Gaga has never been one to shy away from the spotlight. But the first-rate performer is also a top-notch songwriter with an eclectic list of credits to her name she… By ...

The usually quite private couple headed out for a meal in Paris during a break in Lady Gaga’s Mayhem Ball tour, and stuck to ...

Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer shared pictures and videos from Lady Gaga's Sunday night concert in Mexico City at Estadio GNP Seguros.